Signal receiver for monitoring an alarm system



FIG. 1 is a perspective view of a signal receiver for monitoring an alarm system;

FIG. 2 is a front elevational view;

FIG. 3 is a right side elevational view, the left side elevational view being a mirror-image thereof;

FIG. 4 is a rear elevational view, at a scale reduced with respect to FIGS. 1-3;

FIG. 5 is a top plan view, at the same scale as in FIG. 4, and

FIG. 6 is a bottom plan view at the same scale as FIGS. 4 and 5. 

The ornamental design for a signal receiver for monitoring an alarm system, as shown. 